906131 has 4 divisors (see below), whose sum is σ = 945552. Its totient is φ = 866712.

The previous prime is 906121. The next prime is 906133. The reversal of 906131 is 131609.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131609 = 37 ⋅3557.

It is a cyclic number.

It is not a de Polignac number, because 906131 - 2¹⁴ = 889747 is a prime.

It is a super-2 number, since 2×906131² = 1642146778322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (906133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19676 + ... + 19721.

It is an arithmetic number, because the mean of its divisors is an integer number (236388).

2⁹⁰⁶¹³¹ is an apocalyptic number.

906131 is a deficient number, since it is larger than the sum of its proper divisors (39421).

906131 is a wasteful number, since it uses less digits than its factorization.

906131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39420.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 906131 is about 951.9091343190. The cubic root of 906131 is about 96.7676801124.

The spelling of 906131 in words is "nine hundred six thousand, one hundred thirty-one".